Amid a crew morale crisis, the military has replaced the U.S.S. Abraham Lincoln in the Middle East with another aircraft carrier. Our Pentagon reporter John Ismay, a Navy veteran, explains how the challenges to supply ships in the area will most likely remain the same.

Our correspondent Anupreeta Das witnessed the rescue operation following the catastrophic flooding in Nepal and Tibet, in which a torrent of debris and water carried away entire villages in just minutes.

Our correspondent Emma Bubola travels to northwest Patagonia, the epicenter of an oil boom that Argentina hopes will revolutionize its economy.

Our reporter John Eligon takes a six-mile walk between two townships in Cape Town to show how the barriers left by apartheid still exist 30 years later.

Our photographer Federico Rios joined aid flights in Chocó to document earthquake rescue efforts in remote communities.

Japan avoided a major disaster after a 6.8-magnitude earthquake hit last month. Our reporter River Akira Davis visited Kumamoto, a prefecture near the epicenter, to see how it built quake-proof buildings and infrastructure.

Our reporter, Apoorva Mandavilli, goes inside a mosquito factory in Brazil, where scientists are producing millions of mosquitoes to fight deadly tropical diseases in a warming world.